Jean Aitchison. (1996). The seeds of speech: Language origin and evolution. Cambridge, UK: Cambridge Univ. Press.
Chicago Style aipamenaJean Aitchison. The Seeds of Speech: Language Origin and Evolution. Cambridge, UK: Cambridge Univ. Press, 1996.
MLA aipamenaJean Aitchison. The Seeds of Speech: Language Origin and Evolution. Cambridge, UK: Cambridge Univ. Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.